Global Patent Index - EP 2934780 B1

EP 2934780 B1 20160921 - STRAIGHTENING MACHINE

Title (en)

STRAIGHTENING MACHINE

Title (de)

RICHTMASCHINE

Title (fr)

MACHINE À DRESSER

Publication

EP 2934780 B1 20160921 (EN)

Application

EP 13814467 A 20131205

Priority

  • EP 12425201 A 20121219
  • EP 2013075670 W 20131205
  • EP 13814467 A 20131205

Abstract (en)

[origin: EP2745949A1] Straightening machine (10) comprising a frame (12) supporting housings, each housing receiving a roll shafts (14) rotatable about its axis, the straightening machine being characterized in that it further comprises: - at least a first assembly (A1) comprising a first guide (66) defining a first convex surface and a first corresponding guided element (70) defining a first concave surface, said first surfaces contacting each other at a first contact surface (S1); - at least a second assembly (A2) comprising a second guide (68) defining a second convex surface and a second corresponding guided element (72) defining a second concave surface (S2), the second surfaces contacting each other at a second contact surface (S2), - means for rotating at least one roll shaft housing (22,26, 28,38, 90,92 98,), the rotation being guided by the assemblies about a virtual axis (P) transverse to the roll shaft axis X, to compensate bending due to straightening of a product.

IPC 8 full level

B21D 3/05 (2006.01)

CPC (source: EP RU US)

B21D 1/05 (2013.01 - US); B21D 3/05 (2013.01 - EP RU US); B22D 11/1226 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 2745949 A1 20140625; BR 112015014374 A2 20200714; BR 112015014374 B1 20210427; EP 2934780 A1 20151028; EP 2934780 B1 20160921; ES 2608804 T3 20170417; PL 2934780 T3 20170331; RU 2015129502 A 20170126; RU 2650362 C2 20180411; US 2015360270 A1 20151217; US 9623461 B2 20170418; WO 2014095393 A1 20140626

DOCDB simple family (application)

EP 12425201 A 20121219; BR 112015014374 A 20131205; EP 13814467 A 20131205; EP 2013075670 W 20131205; ES 13814467 T 20131205; PL 13814467 T 20131205; RU 2015129502 A 20131205; US 201314654281 A 20131205